Comes ready to use. Will last 3 months in most humidors. Number of packets needed per number of cigars: 2 packets for up to 50 cigars, 4 packets for up to 150 cigars, 6 packets for up to 250 cigars, and so on.

Here's what others have to say about this item!

(2 Reviews)

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good pack

always a good pak

By Terry on May 24, 2014

Great idea

These packet work great they actually keep my humidor at 72%. If you have issues as I do with your humidor this packet should help.